<template>
  <view class="base">
    <!-- 搜索组件 -->
    <view class="search ">
      <my-search @click="gotoSearch"></my-search>
    </view>
    
    <!-- 轮播图结构 快捷键：uswiper-->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true" class="wrapper">
      <swiper-item v-for="(item,i) in swiperList" :key="i">
        <navigator class="swiper-item" :url="`/subpkg/goods_detail/goods_detail?goods_id=` + item.goods_id">
          <image :src="item.image_src"></image>
        </navigator>
      </swiper-item>
    </swiper>

    <!-- 分类导航数据 -->
    <view class="nav-list wrapper">
      <view class="nav-item" v-for="(item,i) in navList" :key="i" @click="navClickHandler(item)">
        <image :src="item.image_src" class="nav-img"></image>
      </view>
    </view>

    <!-- 楼层区域 -->
    <view class="floor-list wrapper">
      <view class="floor-item" v-for="(item,i) in floorList" :key="i">
        <image :src="item.floor_title.image_src" class="floor-title"></image>
        <view class="floor-item-box">
          <navigator class="floor-item-box-left" :url="item.product_list[0].url">
            <image :src="item.product_list[0].image_src" :style="{width:item.product_list[0].image_width + 'rpx'}"
              mode="widthFix"></image>
          </navigator>

          <view class="floor-item-box-right">
            <navigator v-for="(item2,index) in item.product_list" :key="index" :url="item2.url">
              <image :src="item2.image_src" mode="widthFix"
                :style="{width: item2.image_width + 'rpx'}" v-if="index !== 0">
              </image>
            </navigator>
          </view>
        </view>
      </view>
    </view>
  </view>
</template>

<script>
  export default {
    data() {
      return {
        // 轮播图数据
        swiperList: [],
        // 导航列表
        navList: [],
        // 楼层数据
        floorList: []
      };
    },
    methods: {
      /**
       * 获取轮播图数据
       */
      async getSwiperList() {
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/home/swiperdata')
        if (res.meta.status !== 200) {
          return uni.$showMsg()
        }
        this.swiperList = res.message
      },
      /**
       * 获取导航分类数据
       */
      async getNavList() {
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/home/catitems')
        console.log(res);
        if (res.meta.status !== 200) {
          this.$showMsg()
        }
        this.navList = res.message
      },
      /**
       * 点击导航就跳转页面
       */
      navClickHandler(item) {
        if (item.name === '分类') {
          uni.switchTab({
            url: '/pages/cate/cate'
          })
        }
      },
      async getFloorList() {
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/home/floordata')

        if (res.meta.status !== 200) {
          return this.$showMsg()
        }
        this.floorList = res.message
        this.floorList.forEach(item => {
          item.product_list.forEach(prod => {
            prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
          })
        })
        console.log(this.floorList);
      },
      /**
       * 跳转到搜索页面
       */
      gotoSearch() {
        uni.navigateTo({
          url:'/subpkg/search/search'
        })
      }
    },
    onLoad() {
      this.getSwiperList();
      this.getNavList();
      this.getFloorList();
    },
  }
</script>

<style lang="scss">

  .wrapper {
    margin: 0 4px;
  }

  swiper {
    height: 330rpx;

    .swiper-item,
    image {
      width: 100%;
      height: 100%;
    }
  }

  .nav-list {
    display: flex;
    justify-content: space-around;
    margin: 15rpx 0;

    .nav-item,
    .nav-img {
      width: 128rpx;
      height: 140rpx;
    }
  }

  .floor-title {
    height: 60rpx;
    width: 100%;
  }

  .floor-item-box {
    display: flex;
  }

  .floor-item-box-right {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
  }
  
  .search {
    position: sticky;
    top: 0;
    z-index: 999;
  }
</style>